MCQ
The function of sodium pump is biological process operating in each and every cell of the animals. Which of the following biological important ions is also a constituent of this pump.
- A$ \mathrm{Ca}^{2+}$
- B$ \mathrm{Mg}^{2+} $
- ✓$ \mathrm{K}^{+} $
- D$ \mathrm{Fe}^{2+}$


